Workshop: Build your own event store

.github/workflows/workshops_build-your-own-event-store-solved.yml

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+name: Workshop - Build your own event store - Solved
+
+on:
+  # run it on push to the default repository branch
+  push:
+    branches: [main]
+    paths:
+      - "workshops/build-your-own-event-store/solved/**"
+  # run it during pull request
+  pull_request:
+    paths:
+      - "workshops/build-your-own-event-store/solved/**"
+
+defaults:
+  run:
+    working-directory: workshops/build-your-own-event-store/solved
+
+jobs:
+  build-and-test-code:
+    name: Build and test
+    runs-on: ubuntu-latest
+
+    strategy:
+      # define the test matrix
+      matrix:
+        java-version: [22]
+
+    steps:
+      - name: Check Out Repo
+        uses: actions/checkout@v4
+
+      - name: Start containers
+        run: docker compose up -d
+
+      - name: Set up JDK ${{ matrix.java-version }}
+        uses: actions/setup-java@v4
+        with:
+          java-version: ${{ matrix.java-version }}
+          distribution: "adopt"
+          cache: gradle
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v3
+
+      - name: Build with Gradle
+        run: ./gradlew build
+
+      - name: Archive test report
+        uses: actions/upload-artifact@v4
+        if: always()
+        with:
+          name: Test report
+          path: ./workshops/build-your-own-event-store/solved/build/test-results/test
+
+      - name: Stop containers
+        if: always()
+        run: docker compose down

workshops/build-your-own-event-store/solved/.editorconfig

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+# Editor configuration, see http://editorconfig.org
+root = true
+
+[*]
+end_of_line = lf
+charset = utf-8
+indent_style = space
+indent_size = 2
+tab_width = 4
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.java]
+max_line_length = 80
+
+[*.md]
+max_line_length = off
+trim_trailing_whitespace = false

workshops/build-your-own-event-store/solved/.gitignore

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+HELP.md
+.gradle
+build/
+!gradle/wrapper/gradle-wrapper.jar
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/

workshops/build-your-own-event-store/solved/build.gradle

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+plugins {
+  id 'java'
+}
+
+group = 'io.event-driven'
+version = '0.0.1-SNAPSHOT'
+
+repositories {
+  mavenCentral()
+}
+
+dependencies {
+  // Serialisation
+  implementation 'com.fasterxml.jackson.core:jackson-databind:2.17.2'
+  implementation 'com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.17.2'
+  implementation 'com.fasterxml.jackson.core:jackson-core:2.17.2'
+
+  // Postgres client
+  implementation 'org.postgresql:postgresql:42.7.3'
+
+  // Logging
+  implementation 'org.apache.logging.log4j:log4j-api:2.23.1'
+  implementation 'org.apache.logging.log4j:log4j-core:2.23.1'
+  implementation 'org.apache.logging.log4j:log4j-slf4j-impl:2.23.1'
+
+  // Test frameworks
+  testImplementation 'org.junit.jupiter:junit-jupiter-api:5.10.3'
+  testImplementation 'org.junit.jupiter:junit-jupiter-engine:5.10.3'
+  testImplementation 'org.junit.platform:junit-platform-launcher:1.10.3'
+  testImplementation 'com.fasterxml.jackson.core:jackson-databind:2.17.2'
+}
+
+tasks.named('test') {
+  useJUnitPlatform {
+    excludeTags 'Exercise'
+  }
+}
+
+test {
+  testLogging.showStandardStreams = true
+  testLogging.exceptionFormat = 'full'
+}

workshops/build-your-own-event-store/solved/docker-compose.yml

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+version: "3"
+services:
+    postgres:
+        image: postgres:17.2-alpine
+        ports:
+            - "5432:5432"
+        environment:
+            - POSTGRES_DB=postgres
+            - POSTGRES_PASSWORD=postgres
+        networks:
+            - postgres
+
+    pgadmin:
+        image: dpage/pgadmin4
+        container_name: pgadmin_container
+        environment:
+            PGADMIN_DEFAULT_EMAIL: ${PGADMIN_DEFAULT_EMAIL:[email protected]}
+            PGADMIN_DEFAULT_PASSWORD: ${PGADMIN_DEFAULT_PASSWORD:-admin}
+        ports:
+            - "${PGADMIN_PORT:-5050}:80"
+        networks:
+            - postgres
+
+networks:
+    postgres:
+        driver: bridge
+
+volumes:
+    postgres:
+    pgadmin:
+        driver: local

workshops/build-your-own-event-store/solved/gradle/wrapper/gradle-wrapper.properties

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+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.12-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists